`researchservers.com`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::268^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0268.elastic-ssl.ui-r.com`
A	74.208.236.163^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1031.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:521f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.com`
		A	217.160.82.31^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.com`
NS	`ns1031.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:511f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.biz`
		A	217.160.81.31^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.biz`
NS	`ns1031.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:501f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.de`
		A	217.160.80.31^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.de`
NS	`ns1031.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:531f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.org`
		A	217.160.83.31^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1031.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1031.ui-dns.com`hostmaster@1and1.com 2016-10-20 #6

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778557431

Same first word

researchservers.com

DNS History

20 records (8 active, 12 former)

○NSmns01.domaincontrol.com2015-06-24 → 2016-04-28 · 4 obs

● 2015-06-24 01:43:18
● 2016-04-28 11:26:44
○ 2017-01-11 03:00:20
○ 2026-05-12 04:08:30

○NSmns02.domaincontrol.com2015-06-24 → 2016-04-28 · 4 obs

● 2015-06-24 01:43:18
● 2016-04-28 11:26:44
○ 2017-01-11 03:00:20
○ 2026-05-12 04:08:30

○NSns-us.1and1-dns.com2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
○ 2018-07-08 09:57:48
○ 2026-05-12 04:08:30

○NSns-us.1and1-dns.de2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
○ 2018-07-08 09:57:48
○ 2026-05-12 04:08:30

○NSns-us.1and1-dns.org2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
○ 2018-07-08 09:57:48
○ 2026-05-12 04:08:30

○NSns-us.1and1-dns.us2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
○ 2018-07-08 09:57:48
○ 2026-05-12 04:08:30

●NSns1031.ui-dns.biz2018-07-08 → 2026-05-12 · 3 obs

○ 2017-01-11 03:00:20
● 2018-07-08 09:57:48
● 2026-05-12 04:08:30

●NSns1031.ui-dns.com2018-07-08 → 2026-05-12 · 3 obs

○ 2017-01-11 03:00:20
● 2018-07-08 09:57:48
● 2026-05-12 04:08:30

●NSns1031.ui-dns.de2018-07-08 → 2026-05-12 · 3 obs

○ 2017-01-11 03:00:20
● 2018-07-08 09:57:48
● 2026-05-12 04:08:30

●NSns1031.ui-dns.org2018-07-08 → 2026-05-12 · 3 obs

○ 2017-01-11 03:00:20
● 2018-07-08 09:57:48
● 2026-05-12 04:08:30

○MXeb1.researchservers.com2015-06-24 → 2016-04-28 · 4 obs

● 2015-06-24 01:43:18
● 2016-04-28 11:26:44
○ 2017-01-11 03:00:20
○ 2026-05-12 04:08:30

○MXmx00.1and1.com2017-01-11 → 2018-07-08 · 5 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
● 2018-07-08 09:57:48
○ 2026-02-18 14:32:04
○ 2026-05-12 04:08:30

●MXmx00.ionos.com2026-02-18 → 2026-05-12 · 3 obs

○ 2018-07-08 09:57:48
● 2026-02-18 14:32:04
● 2026-05-12 04:08:30

○MXmx01.1and1.com2017-01-11 → 2018-07-08 · 5 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
● 2018-07-08 09:57:48
○ 2026-02-18 14:32:04
○ 2026-05-12 04:08:30

●MXmx01.ionos.com2026-02-18 → 2026-05-12 · 3 obs

○ 2018-07-08 09:57:48
● 2026-02-18 14:32:04
● 2026-05-12 04:08:30

○A216.250.120.2332017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
○ 2018-07-08 09:57:48
○ 2026-05-12 04:08:30

○A2607:f1c0:1000:2e:eff2:bcdb:3d73:a84d2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-28 11:26:44
● 2017-01-11 03:00:20
○ 2018-07-08 09:57:48
○ 2026-05-12 04:08:30

●A2607:f1c0:100f:f000::2682018-07-08 → 2026-05-12 · 3 obs

○ 2017-01-11 03:00:20
● 2018-07-08 09:57:48
● 2026-05-12 04:08:30

●A74.208.236.1632018-07-08 → 2026-05-12 · 3 obs

○ 2017-01-11 03:00:20
● 2018-07-08 09:57:48
● 2026-05-12 04:08:30

○A74.208.25.1432015-06-24 → 2016-04-28 · 4 obs

● 2015-06-24 01:43:18
● 2016-04-28 11:26:44
○ 2017-01-11 03:00:20
○ 2026-05-12 04:08:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
researchservers.com	ns1031.ui-dns.de, ns1031.ui-dns.biz, ns1031.ui-dns.org, ns1031.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.31

NS records: ns1031.ui-dns.de, ns1031.ui-dns.biz, ns1031.ui-dns.org, ns1031.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for researchservers.com (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.163`
AAAA	1	`2607:f1c0:100f:f000::268`
NS	4	`ns1031.ui-dns.de, ns1031.ui-dns.com...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1031.ui-dns.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1031.ui-dns.com, ns1031.ui-dns.com)

Analysis

IP Addresses

researchservers.com points to two IP numbers: 2607:f1c0:100f:f000::268 and 74.208.236.163.

Other host names, for instance ridesplitnyc.com, call4dumpsters.net, www.rockwellcollinsmuseum.org, coasties.net and printandfoil.com share IP numbers with researchservers.com.

Name Servers

researchservers.com is delegated to four name servers: ns1031.ui-dns.biz, ns1031.ui-dns.com, ns1031.ui-dns.de and ns1031.ui-dns.org.

researchservers.com shares name servers with other domains at least partially, for instance zigarde.com, danseacademie.fr, cueramaro.com, lueconsult.de and jessenelektroservices.de.

These name servers are commonly used with ns1117.ui-dns.biz, ns1116.ui-dns.de, ns1055.ui-dns.org and ns1017.ui-dns.org.

Host names with two IP numbers:

ns1031.ui-dns.biz resolves to 2001:8d8:fe:53:0:d9a0:511f:100 and 217.160.81.31.

ns1031.ui-dns.com resolves to 2001:8d8:fe:53:0:d9a0:521f:100 and 217.160.82.31.

ns1031.ui-dns.de resolves to 2001:8d8:fe:53:0:d9a0:501f:100 and 217.160.80.31.

ns1031.ui-dns.org resolves to 2001:8d8:fe:53:0:d9a0:531f:100 and 217.160.83.31.

Mail Servers

researchservers.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

researchservers.com shares the same mail server setup as other domains, including aputerra.com, thehansel.org, covenantwordchurch.org, realpropertysecrets.com and elephantinsurance.org.

Host names with one IP number:

mx00.ionos.com points to: 74.208.5.3.

mx01.ionos.com points to: 74.208.5.21.

researchservers.com - robtex.com